Confirm with Promotion
In appreciation of your services and contribution, we are pleased to confirmed your appointment and promote you as GSA with effect from 01 April 2015. Your new salary will be THB 12,000 (Twelve thousand baht) per month.
You shall be on probation for a period of three months, during the period, your performance shall be assessed. Thereafter, if your performance satisfactory then your promotion as (Position) be confirmed and your salary will be adjusted to THB 12,000 (Twelve thousand baht) per month.
I take this opportunity to thank you for the past consistent good work performance and wish you the best in your future efforts in your new capacity.
In the meantime, I look forward to your loyalty, commitment and devotion of your performance in our organization.